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1. 发明授权

US5994252A Process for producing spherical metal-oxide powder particles 失效
标题翻译：球形金属氧化物粉末颗粒的制备方法
公开(公告)号：US5994252A
公开(公告)日：1999-11-30
申请号：US166366
申请日：1998-10-05
申请人： Reinhard Feige , Friedhelm Bramsiepe
发明人： Reinhard Feige , Friedhelm Bramsiepe
IPC分类号： B24C11/00 , C01F7/00 , C01F7/38 , C01F7/42 , C09K3/14 , C04B35/10 , C03C12/00
CPC分类号： B24C11/00 , C01F7/00 , C01F7/38 , C01F7/422 , C09K3/1409 , C01P2004/32 , C01P2004/61 , C01P2004/62 , C01P2006/10 , C01P2006/12
摘要： There is a process for producing spherical metal-oxide powder particles. They are used as finely ground raw and filler materials in mineral, ceramic and refractory construction, technical and auxiliary materials, as well as for polishing and grinding agents.
摘要翻译：存在制备球形金属氧化物粉末颗粒的方法。它们用作矿物，陶瓷和耐火材料结构，技术和辅助材料以及抛光和研磨剂的细磨原料和填料。

2. 发明授权

US5856254A Spherical metal-oxide powder particles and process for their manufacture 失效
标题翻译：球形金属氧化物粉末颗粒及其制造方法
公开(公告)号：US5856254A
公开(公告)日：1999-01-05
申请号：US800270
申请日：1997-02-13
申请人： Reinhard Feige , Friedhelm Bramsiepe
发明人： Reinhard Feige , Friedhelm Bramsiepe
IPC分类号： B24C11/00 , C01F7/00 , C01F7/38 , C01F7/42 , C09K3/14 , C04B35/10 , C03C12/00
CPC分类号： B24C11/00 , C01F7/00 , C01F7/38 , C01F7/422 , C09K3/1409 , C01P2004/32 , C01P2004/61 , C01P2004/62 , C01P2006/10 , C01P2006/12
摘要： Spherical metal-oxide powder particles are used as finely ground raw and filler materials in mineral, ceramic and refractory construction, technical and auxiliary materials, as well as for polishing and grinding agents. There is a process for producing the powder particles, and there is a process for treating ceramic and refractory residual materials.
摘要翻译：球形金属氧化物粉末颗粒用作矿物，陶瓷和耐火结构，技术和辅助材料以及抛光和研磨剂中的精细研磨的原料和填料。有一种生产粉末颗粒的方法，并且有一种处理陶瓷和难熔残留材料的方法。

3. 发明授权

US07015167B2 Raw material with a high content of aluminum oxide, and method of manufacturing the raw material 有权
公开(公告)号：US07015167B2
公开(公告)日：2006-03-21
申请号：US10753966
申请日：2004-01-07
申请人： Reinhard Feige , Gerhard Merker , Jurgen Steyer
发明人： Reinhard Feige , Gerhard Merker , Jurgen Steyer
IPC分类号： C04B35/10
CPC分类号： C04B28/26 , C01F7/02 , C01F7/428 , C01F7/44 , C03C1/002 , C03C13/06 , C04B7/32 , C04B18/144 , C04B35/119 , C04B35/44 , C04B2111/00215 , C04B2235/3205 , C04B2235/3206 , C04B2235/3208 , C04B2235/3217 , C04B2235/3218 , C04B2235/3222 , C04B2235/3272 , C04B2235/3418 , C04B2235/402 , C04B2235/608 , C04B2235/72 , C04B2235/722 , C04B2235/724 , C04B2235/725 , C04B2235/77 , C04B2235/80 , Y02P40/143 , Y02W30/94 , C04B7/17 , C04B38/02
摘要： A raw material with a high content of aluminum oxide has the following composition, in weight-percent, based on dry weight: Al2O3 50–80% MgO 2–15% SiO2 1–15% CaO0.5–20% Fe2O30.5–2% Na2O0.5–2% Al (metallic)0.1–2% AlN0.1–1% K2O0.1–1.5% F0.1–2% Cl0.1–0.8% balance in total, not to exceed 5% loss on ignition, not to exceed15% The main mineral constituents of the raw material are, in weight-percent aluminum hydroxide20–60% corundum α-Al2O310–40% spinel MgAl2O4 5–40% Specifically, the aluminum hydroxide is present as aluminum mono-hydroxide Al2O3.H2O and aluminum tri-hydroxide Al2O3.3H2O in a weight ratio exceeding 0.25.

4. 发明授权

US5413985A Partially crystalline, transitional aluminum oxides, methods for their synthesis and use for obtaining molded articles, which consist essentially of gamma Al.sub.2 O.sub.3 失效
标题翻译：部分结晶，过渡性氧化铝，它们的合成和用途，用于获得模制品，其基本上由γAl2O3+ B组成
公开(公告)号：US5413985A
公开(公告)日：1995-05-09
申请号：US997736
申请日：1992-12-30
申请人： Roland Thome , Hubertus Schmidt , Reinhard Feige , Ulrich Bollmann , Rudiger Lange , Seigfried Engels
发明人： Roland Thome , Hubertus Schmidt , Reinhard Feige , Ulrich Bollmann , Rudiger Lange , Seigfried Engels
IPC分类号： B24D3/00 , B01J20/08 , B01J21/04 , C01F7/02 , C01F7/44 , C04B35/10 , C04B35/111 , C09K3/14 , B01J37/00
CPC分类号： B01J20/08 , B01J21/04 , C01F7/441 , C04B35/111 , C01P2002/72 , C01P2004/04 , C01P2004/22
摘要： The invention relates to a partially crystalline, transitional aluminum oxide containing 4-fold and 5-fold coordinated aluminum oxide in a ratio of at least 1:2. The invention also relates to a method of making this composition. The composition is particularly useful as starting material for manufacturing highly reactive molded articles. Accordingly, the invention also relates to this manufacturing process.
摘要翻译：本发明涉及以至少1:2的比率含有4倍和5倍配位的氧化铝的部分结晶的过渡型氧化铝。本发明还涉及制备该组合物的方法。该组合物特别适用于制造高反应性模制品的起始材料。因此，本发明也涉及该制造工艺。

5. 发明授权

US06593262B2 Porosifying, solidification-accelerating additive for binding agent building materials, and process of producing 有权
公开(公告)号：US06593262B2
公开(公告)日：2003-07-15
申请号：US09930092
申请日：2001-08-15
申请人： Reinhard Feige , Gerhard Merker
发明人： Reinhard Feige , Gerhard Merker
IPC分类号： C04B35443
CPC分类号： C04B18/144 , C04B14/303 , C04B22/04 , Y02W30/94 , C04B20/1066 , C04B20/04
摘要： A porosifying, solidification-accelerating additive for binding agent building materials consisting of Al2O3, 50-90%; MgO, 4-20%; SiO2, 0.5-15%; AlN, 0.1-5%; Fe2O3, 0.1-5%; CaO, 0.1-5%; F, 0.1-5%; Na2O, 0.1-5%; K2O, 0.1-2%; as well as in the form of metallic particles: Al, 0.1-10%; Si, 0.1-3%; Fe, 0.1-3%; balance in total maximum, 5%; annealing losses, 0.1-15%; and of mineral main constituents in the form of corumdum (&agr;-Al2O3) and spinel (MgO×Al2O3), wherein the metallic aluminum particles are enveloped by mineral transition modifications from aluminum hydroxide (Al2O3×3H2O) to &agr;-aluminum oxide, the powder comprises a particle size of at least 90% smaller than 500 &mgr;m, and the BET surface of the powder amounts to at least 10 m2/g.

6. 发明授权

US6132574A Bottom lining for electrolytic cells and process for its manufacture 失效
标题翻译：电解池的底层及其制造工艺
公开(公告)号：US6132574A
公开(公告)日：2000-10-17
申请号：US85570
申请日：1998-05-27
申请人： Reinhard Feige , Gerhard Merker
发明人： Reinhard Feige , Gerhard Merker
IPC分类号： C04B35/66 , C25C3/08 , C25B9/00 , C25C7/00 , C25D17/00
CPC分类号： C04B35/66 , C25C3/085
摘要： A bottom lining for electrolytic cells formed from steel pots for use in primary production and secondary refining, made from a monolithic stamping of a finely granulated powder having a high alumina content, and a process for producing same. The powder is obtained from aluminum industrial scrap recovery and salt slags and has the following components in the following amounts based on dried weight:______________________________________ Al.sub.2 O.sub.3 40-90% AlN 0.1-25% MgO 4-20% SiO.sub.2 0.5-15% CaO 0.1-15% Al (metallic) 0.1-10% Si (metallic) 0.1-10% Fe.sub.2 O.sub.3 0.1-5% C not more than 5% F not more than 5% Na.sub.2 O 0.1-5% K.sub.2 O 0.1-2% TiO.sub.2 0.1-2% Others not more than 5% Loss on ignition not more than 10%. ______________________________________
摘要翻译：由用于初级生产和二次精炼的钢罐形成的电解槽的底衬，由具有高氧化铝含量的细粒状粉末的整体冲压制成，及其制造方法。该粉末由铝工业废料回收和盐渣获得，并且具有以下基于干重的组分：-Al 2 O 3 40-90％-AlN 0.1-25％ - MgO 4-20％-SiO 2 0.5-15％ - CaO 0.1-15％-Al（金属）0.1-10％-Si（金属）0.1-10％-Fe2O3 0.1-5％-C不大于5％-F不大于5％-Na2O 0.1-5％ - K2O 0.1-2％ - TiO2 0.1-2％ - 其他不超过5％ - 点火损失不大于10％。 -

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